What question did this study set out to answer?

This review aims to estimate the prevalence of co-occurring psychotic disorders and borderline personality disorder (BPD) and describe their characteristics.

February 11, 2026Psychological Medicine

Co-occurrence of psychotic disorders and borderline personality disorder: a systematic review and meta-analysis

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Authors

JJJulie JourdanCentre Hospitalier Universitaire de Nîmes CEClémentine EstricCentre Hospitalier Universitaire de Nîmes BOBrian O’DonoghueUniversity College Dublin

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Implication

Systematic review estimates co-occurrence of psychotic disorders and borderline personality disorder, suggesting complex clinical implications.

Key Points

This review aims to estimate the prevalence of co-occurring psychotic disorders and borderline personality disorder (BPD) and describe their characteristics.
Systematic search of four databases following PRISMA guidelines
Eighteen studies included in the analysis
Data extraction and quality assessed by two independent reviewers
Meta-analysis used random-effects model to estimate prevalence rates
Pooled prevalence of BPD in individuals with psychotic disorders was 22.7%
14.3% of individuals with BPD had a comorbid psychotic disorder
40.0% of first-episode psychosis samples met criteria for BPD
Common issues included emotional dysregulation and suicidality among co-occurring cases
Study limitations included cross-sectional design and high heterogeneity (I² > 80%)

Cite This Study

Jourdan et al. (2026) studied this question.

synapsesocial.com/papers/698c1c65267fb587c655eddc https://doi.org/10.1017/s0033291726103432

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Implication

Systematic review estimates co-occurrence of psychotic disorders and borderline personality disorder, suggesting complex clinical implications.

Co-occurrence of psychotic disorders and borderline personality disorder: a systematic review and meta-analysis

Discussion

Member takes

Implication

Key Points

Cite This Study

Co-occurrence of psychotic disorders and borderline personality disorder: a systematic review and meta-analysis

Discussion

Member takes

Implication

Key Points

Cite This Study

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